X0102 24F-2NT LIVE 773757 XXXXXXXX false N-1A Columbia Funds Series Trust I 290 Congress Street Boston MA X1 02210 COLUMBIA REAL ESTATE EQUITY FUND S000012072 Columbia Real Estate Equity Fund Class A C000032863 Columbia Real Estate Equity Fund Institutional Class C000032867 Columbia Real Estate Equity Fund Institutional 2 Class C000094674 Columbia Real Estate Equity Fund Class S C000248364 Columbia Real Estate Equity Fund Institutional 3 Class C000171305 811-04367 002-99356 12/31/2025 false false 24269027.69 54756549.22 377883415.62 432639964.84 0.00 (408370937.15) 0.0001381 0.00 0 0.00 Martha A. Skinner Martha A. Skinner Assistant Treasurer 03/16/2026